Null-dereference READ in spvtools::val::Instruction::opcode |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=5963065668141056 Fuzzer: libFuzzer_spvtools_val_fuzzer Job Type: libfuzzer_chrome_ubsan Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x00000000003a Crash State: spvtools::val::Instruction::opcode spvtools::val::ValidationState_t::IsBoolScalarType spvtools::val::ValidateBranchConditional Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=583093:583103 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5963065668141056 Issue filed automatically. See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
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Nov 9
Automatically adding ccs based on OWNERS file / target commit history. If this is incorrect, please add ClusterFuzz-Wrong label.
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Nov 9
Automatically adding ccs based on suspected regression changelists: Move cfg opcode validation to another file. by alanbaker@google.com - https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools/+/6cd4441c878699d6f59b0ba73cbbdc80ae9ec28f Fixing heap overflow in validation. by alanbaker@google.com - https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools/+/397e02442e63781f66c70978fffab7551fdadf3f Split function opcode validation into new files. by alanbaker@google.com - https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools/+/e7fdcdba75eda1f5a70d689cf50628389efa3ed0 If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label.
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Nov 9
Over to dneto@ who has made changes in this area recently. Can you help find an owner?
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Nov 9
You probably meant to cc someone else?
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Nov 12
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Nov 16
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Nov 17
ClusterFuzz has detected this issue as fixed in range 609045:609061. Detailed report: https://clusterfuzz.com/testcase?key=5963065668141056 Fuzzer: libFuzzer_spvtools_val_fuzzer Job Type: libfuzzer_chrome_ubsan Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x00000000003a Crash State: spvtools::val::Instruction::opcode spvtools::val::ValidationState_t::IsBoolScalarType spvtools::val::ValidateBranchConditional Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=583093:583103 Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=609045:609061 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5963065668141056 See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information. If you suspect that the result above is incorrect, try re-doing that job on the test case report page.
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Nov 17
ClusterFuzz testcase 5963065668141056 is verified as fixed, so closing issue as verified. If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue. |
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Comment 1 by ClusterFuzz
, Nov 9Labels: Test-Predator-Auto-Components